1621921 (number)

1621921 is an odd 7-digits composite number following 1621920 and preceding 1621922. In scientific notation, it is written as 1.621921 × 10^6. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 1383360 positive integers (up to 1621921) that are relatively prime to 1621921.

Interesting facts

Basic properties

Name

Name one million six hundred twenty-one thousand nine hundred twenty-one

Notation

Scientific notation 1.621921 × 10^6
Engineering notation 1.621921 × 10^6

Prime Factorization of 1621921

Prime Factorization 7 × 263 × 881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1621921
Product of the distinct prime numbers

The prime factorization of 1621921 is 7 × 263 × 881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1621921)

Multiplication

n×y
n×2 3243842
n×3 4865763
n×4 6487684
n×5 8109605

Division

n÷y
n÷2 810960.5
n÷3 540640.33333333
n÷3 405480.25
n÷5 324384.2

Exponentiation

ny
n2 2630627730241
n3 4266670358860212961
n4 6.9202022551129E+24
n5 1.1224021361815E+31

Nth Root

y√n
2√n 1273.5466226252
3√n 117.49243349495
4√n 35.686784985834
5√n 17.458460288345

Divisors of 1621921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1621920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1621921 can be divided by 8 positive divisors. The sum of these divisors (counting 1621921) is 1, the average is 0.125.

Base conversion 1621921

Base System Value
2 Binary 110001011111110100001
3 Ternary 10001101212011
4 Quaternary 12023332201
5 Quinary 403400141
6 Senary 54432521
8 Octal 6137641
10 Decimal 1621921
12 Duodecimal 662741
16 Hexadecimal 18bfa1
20 Vigesimal a2eg1
36 Base36 yrhd

Cryptographic Hash Functions

md5 72da165d6de7e582ef0c612d5e08105e
sha1 a8a06f34723eff9ed83f88c5c65a0834aece9518
sha256 2da5f4447c8a90a888cf7b6d82c202e3dce6a54093ab8f273e32ae0539db6847
sha512 65d55569b3a3cebd4e97738369896baf763409fe910ba572706bb7e91e86b6ac2108f51fa51c7045321dc6b93fc452d721c72f5e2b63719fd4853e4ef64b0aa6
ripemd-160 a5ea6e4f0fcadfc005c05d51abf42da6e0eb7d13

1621921 as geometric shapes

Circle

Radius = n
Diameter 3243842
Circumference 10190830.196606
Area 8264360751654.7

Sphere

Radius = n
Volume 1.7872187006246E+19
Surface area 33057443006619
Circumference 10190830.196606

Square

Length = n
Perimeter 6487684
Area 2630627730241
Diagonal 2293742.6752977

Cube

Length = n
Surface area 15783766381446
Volume 4266670358860212961
Space diagonal 2809249.5778629

Equilateral Triangle

Length = n
Perimeter 4865763
Area 1139095221144.3
Altitude 1404624.7889315

Triangular Pyramid

Length = n
Surface area 1139095221144.3
Volume 5.0283192397295E+17
Height 764580.89176591